InChI=1S/C21H22O11/c22-12(7-3-10-4-8-13(23)15(25)14(10)24)9-1-5-11(6-2-9)31-21-18(28)16(26)17(27)19(32-21)20(29)30/h1-2,4-6,8,16-19,21,23-28H,3,7H2,(H,29,30)